What You Need to Know About Roof Installation

The roof is the covering on the top of a building or car that protects it from rain, snow, sunlight, and extreme temperatures. It’s also essential to the integrity of the structure.

Roof Installation

Before starting work, the roofing contractor will cover any surrounding landscaping or vehicles with tarps and position garbage cans to catch debris from the roof. They’ll also check the weight rating on your ladder and set up fall protection equipment. Visit https://www.delaware-roofing.com/ to learn more.

The roof is an integral component of a structure and protects the interior of the building from various environmental conditions. It shields the occupants from scorching sun, torrential rain, melting snow, and gusty winds. To achieve this, it should be built with the right material to withstand the local climate. Choosing the right roof type is critical to ensure that your building stays safe and comfortable for its inhabitants. There are many different roofing materials to choose from, and a professional roofer will help you select the one that fits your goals, architectural style, and budget constraints.

A flat roof is a common roofing choice for commercial and industrial structures. It has numerous advantages, including cost-efficiency and ease of installation. It also allows for the placement of solar panels or other rooftop installations. However, it does not provide the same level of protection as a pitched roof.

Pitched roofs have slopes on all sides and meet at the ridge of the structure. This roof type is most popular in modern residential architecture, owing to its aesthetically pleasing appearance and versatility. It is often found on craftsman or ranch-style homes, and can be constructed with a gable or hipped design.

A sloping roof with an inverted V shape is commonly referred to as a butterfly roof. This roof has a unique aesthetic and is typically found on contemporary projects that emphasize open floor plans and integration with the surrounding environment. It is a good choice for those who want to add a more dramatic architectural element to their property. This roof type is usually made with a mixture of steel, concrete, and wood. It can also be built with a variety of sidings and finishes.


When selecting a roof material, it’s important to consider how well it will hold up to your area’s weather patterns. Depending on the region, certain materials — like clay tiles — may require roof reinforcement to ensure proper support. This will add to the overall cost of your project, but can help ensure it’s done correctly and will last for years to come.

Other roofing materials are also available to meet your needs, including asphalt shingles. These are affordable and relatively easy to install. They are also durable and come in a variety of colors to match your home’s aesthetics. However, they’re not the best option for hot climates, as they tend to heat up and absorb sunlight faster than other roofing materials.

Concrete tile roofs are another popular roofing material that is highly customizable. They’re very durable and provide excellent insulation, keeping homes cool in the summer and warm in the winter. However, they are heavy and require extra reinforcement to prevent damage to the structure of your home.

Metal roofs are a popular alternative to traditional roofing materials, with many styles to choose from. They include metal shingles, which look like asphalt shingles; flat panels; and corrugated or standing seams. Standing seams have hidden fasteners and create a sleek appearance, while corrugated panels are easier to fit around chimneys and other protrusions.

Other roof installation materials include hip and ridge caps, which are specialty shingles designed for these areas of the roof for added protection and a finished appearance. Flashing is another crucial piece of roof installation materials, protecting vulnerable areas against water infiltration. This is typically installed over the underlayment on gable ends and around protrusions like chimneys, vents, and skylights. It’s often made of galvalume for a long-lasting, waterproof finish or copper or zinc for a natural raw metal look.


Roofing underlayment is a layer that goes between the roof deck (or sheathing material) and the finished roof covering. It acts as a barrier to prevent water from penetrating the sheathing and into the home. It is also a protective layer against ice dams and other weather-related damage to the roof structure.

The type of underlayment used depends on your roofing contractor’s preference and local building codes and regulations. Felt underlayment is usually made of an organic mat or paper that is saturated with asphalt to help resist water penetration. It is relatively inexpensive but can tear easily and can absorb moisture that may cause rot or mold in the future. For these reasons, it is usually not recommended to use felt underlayment on a steep sloped roof.

Professional roofers typically prefer to work with synthetic underlayment. Synthetic underlayment is manufactured from a durable synthetic base that is coated with an asphalt compound to make it more waterproof. It is stronger and more resistant to tearing than felt underlayment, and it is more effective at preventing water penetration. It is usually installed using the same technique as the sheathing boards, with a staple gun and plastic caps that seal around the fastener shanks.

Another popular option for a roof underlayment is rubberized asphalt underlayment. This type of underlayment contains both rubber and asphalt polymers that make it extra waterproof and can be used on low-sloped roofs, around penetrations, in valleys and other areas where water damage is common. When compared with felt underlayment, rubberized underlayment tends to be more expensive but offers superior water resistance and durability. When installing a rubberized underlayment, it is important to use reference lines on the sheathing board to guide the placement of horizontal course-run overlaps. In addition, it is recommended to avoid end laps if possible, but where unavoidable, they should be sealed with either roofing cement or butyl rubber roof tape.


Flashing is a thin sheet of corrosion-resistant metal bent into shape and installed in areas of the roof where leaks are likely to occur. Generally, it’s made of galvanized steel, which means that it has been coated with zinc to prevent rust. The flashing is installed over the seams of the roofing materials, and it also helps to direct rainwater away from vulnerable areas like roof valleys, where two downward slopes meet. It is also used around roof penetrations, which are features such as chimneys, plumbing vents, skylights, and so on.

The first step in installing the flashing is to lay the base flashing along the headwall, which is the wall that meets the roof at the edge of the structure. Depending on the type of roof, the base flashing may be a continuous piece that covers the entire joint or it may be a strip of material that runs up the side of the wall. A shingle is then placed over the flashing, with the nails being spaced 16 inches apart from one another. Ideally, the nail heads should be covered with a bead of roof cement to prevent leaks.

For pipe flashings, homeowners should ensure that the flashing opening is properly sized to match the diameter of the pipe. Any miscalculations could lead to fatigue failure in the flashing collar, resulting in water infiltration into the house.

The next step is to install the kickout flashing, which is a strip of metal that extends out from the edge of the roof. It is then secured to the headwall with a bead of roof cement. Lastly, the installer should secure the shingles over the kickout flashing and around the base flashing.


The roof is the most important part of the home’s envelope, sealing it off from the outside world. Without a properly functioning roof, you’ll feel drafty in your home and your energy bills will be higher. Your house could even leak, leading to serious structural problems and mold and mildew.

As a homeowner, you have a responsibility to make sure that your roofing project complies with your local building codes and regulations. Whether or not a permit is needed for your specific project depends on the scope of work, location and materials used. The rules vary from state to state, so you should contact your local government’s building code department for details about what requirements apply to your home.

While permitting your own roof replacement may seem like a hassle, it’s always better to be safe than sorry. A permit will ensure that a reputable third party (such as the city inspector) visits your home before and after the project to verify that the new roof installation meets all local standards. If you do the job yourself without a permit, it’s likely that you will be slapped with fines or have to remove the illegal construction if the local inspector finds that your home has not been built up to code.

Moreover, if you decide to sell your house in the future, having a permit for your roof will be beneficial because it proves that the work was done legally. Non-permitted changes to your home will almost certainly be noticed by the appraiser who inspects your property before you close on the sale. This might cause the lender to hesitate to approve a mortgage loan for your home, or they might demand a higher purchase price in order to compensate for the non-permitted repairs and improvements that have been made.